Zed Head

Those are good points. Another that comes to mind is to pull the small wire from the starter solenoid, the one with the spade connector, and turn the key to Start. The engine won't crank but the fuel pump should get power. It's the Nissan recommended fuel pump test. Usually you can hear it run if it's running.

Might be that the pump itself is overheating and locking up from trying to pull through the filter. The factory only used a coarse sock in the tank. The pumps are designed to push, not pull. Might be worth a test with the filter removed. The new relay could be overheating also. It happens with the old orgiinal relays. If you can test for voltage at the pump it might tell you if it's electrical. Also test for voltage at the injectors if you changed the EFI relay. Or just test anyway, maybe you have a new problem not related to the parts you changed. 1978 had two separate realys, fuel pump and EFI. Earlier years had the two combined in to one unit. Not clear which you changed. And, of course, if you have the old parts you can swap them back in and see what happens. The heat soak problem with the EFI engines usually manifests as hard starting, then running like crap for about 20 seconds that feels like 20 minutes.

A sinlge odd story about "locking up" doesn't hold much weight. Might be that the user screwed something up. No reason for steel drums to perform differently than aluminum, as far as braking is concerned. They just weigh a bit more and hold more heat. I wonder where they got them. It looks like they found a drum from another vehicle with the same dimensions. https://www.thezstore.com/product/6204/steel-rear-brake-drum-70-78-240z-260z-280z Description: Nissan discontinued the original aluminum drums; however, we were able to locate these proper fitting and operating steel drums at a fair price. Sold individually; one required per side (2 per car).

You can tell where it's leaking from the leakdown test, you don't need to tear in to it. That's the basic point of a leakdown test. Figure things out before tearing apart. It might not need anything. Could just be dry rings. Good luck.

When did it last run? Didn't say what's leaking. Valves might just be a valve job, head removal. Rings mean more work.

A battle between an old American muscle car and the old Japanese sports car today. https://bringatrailer.com/listing/1977-datsun-280z-124/ https://bringatrailer.com/listing/1967-pontiac-gto-167/

I'm wondering what is the point of the project. Why do it if there is no problem?

Could be the throttle position switch.

Are you having percolation problems?

After reading the fine print in that link I pasted above I really don't know what to think. Derek got a second door that was different than the first problematic door. But it was also problematic. The text on the web page says that all of the critical areas were checked extensively. How did those two slip through? https://resurrectedclassics.com/collections/sheet-metal/products/1970-1976-datsun-240z-260z-280z-steel-door-shell-set " NEW Reproduction Complete steel door shell set for 1970-1976 Datsun 240z 260z 280z. These doors were produced after years of development, with numerous trials and test fitments to ensure their quality and ease of installation. This is the complete door shell, not just a skin, passenger and drivers side. All of the factory correct welded nuts and holes are made into this unit just like the factory. Our doors have the correct shape, curves, and stamping like the original doors. Please note: Doors from 1973-1976 have different interior panels where the door panel clips into, as well as different internal window mechanisms but it will bolt onto your car. You will have to use 240z door internals and door panels for our doors or modify the door to fit your existing parts. Please compare visually before purchasing to make sure you are satisfied. These doors will not fit at all for 1977-1978 280z. Our parts are bolt on ready, just like the factory, so you don't have to spend hours welding a panel in or paying a body shop to patch your existing panel. Replace, don't just patch! All of our steel panels are manufactured for enthusiasts, by enthusiasts, with special attention paid to a quality fitment and ease of installation, while matching or exceeding OEM standards. "

The thought actually crossed my mind when I was writing, that it was incorrect. But, I'm not actually sure what it is that he bought. The catalog and web page are not very clear. The web page says "shells". The catalog says doors, but the picture is of a skin. It seems like it might be somewhere between complete door and skin. Not sure. But, I just went to look for more information and came across the specific door steel page. It describes "1970 to 1976 door shells". I wonder if they sent the wrong year to Derek. https://resurrectedclassics.com/products/1970-1976-datsun-240z-260z-280z-steel-door-shell-set " 1970-1976 Datsun 240z 260z 280z Steel door shell set $1,395.00" Looking at the intricacies of the innner door in your picture - the window mounting, and the latching mechanism, and the arm rests - it's hard to imagine that all of that would be right if the basic elements of mounting the door and the striker mechanism are not. It's an opportunity for RC. I hope that they take advantage. It might be that they don't know of the differences that occurred over the years and just assumed.

Was the issue similar? Looking back at Derek's comments I notice that the replacement skin was not the same as the one it replaced. That's not a good sign for future customers. How would that happen? So, it looks like there is some variability across the production process. And the fact that the screw holes don't line up is a big deal. If RC has more stock on the shelves it might be found that some are correct and some are not. The problem is that they're not all the same. They should be. At this point RC should really consider building a jig, in Georgia, that represents a 240Z body and test fitting each panel. Otherwise, it's almost certain that other customers will have, or are having, this type of problem. I work in manufacturing also so this seems obvious to me. You have to wonder how these parts are being made if there is so much variation on areas that are obviously critical to proper function, like the door striker plate mounting holes. Sorry RC, but if there's variation here there's probably variation everywhere, in all of your stamped metal products. There is obviously a problem with the manufacturing process. I'd guess that the parts are actually made elsewhere, maybe overseas, so the problem is probably with RC's supplier. Tight specs have not been set or have been set but are not verified. Good luck with the venture. Things will only get worse if this is true. As Derek suggested, customers should test fit their parts immediately and request corrective action if they find problems. It's a bummer, but it seems necessary.

Can't remember if you still have EFI or if you went to carbs. They might have different causes.

I do like to help solve a problem if I can. @Resurrected Classics should have a chance to respond. They joined the site March 2023. They got some positive comments. Let's see what happens. Derek is not your run-of-the-mill car guy, he probably knows what he's talking about and went way above and beyond what most would. No offense intended to the run-of-the-mill guys and gals. Who knows, maybe people should just avoid buying door skins from RC. https://www.classiczcars.com/profile/45015-resurrected-classics/

It would be interesting if you sent the doors to someone else with an original no-bodywork 73 to see what they find. Unless you're going to deconstruct them and start over. Also, if anyone out there has seen both 71 and 73 doors, do they swap easily? I don't know much about the 240Z body differences. Only what the parts catalog shows.

I'm just trying to help Resurrected solve their problem. If they want to. They could be just another fly-by-night parts vendor. It's just very odd that they would create those very expensive stamping dies and use them to create crap parts. Makes no sense at all, unless it's all a scam.

There's only one door skin style shown in their catalog. In left and right, but no pre- and post- 09/71. Maybe they assumed all 240Z's are the same. https://resurrectedclassics.com/pages/catalog

Their web page describes a thorough process. Hard to see where they would have screwed up. Maybe it's just words and they actually get the parts from overseas. Looks like they're based in Georgia. Any chance that a 1973 door skin is different from a 1971 door skin? Maybe they just started with the wrong part. Carpartsmanual says that they changed at 09/71. Maybe you got a 71 part. https://www.carpartsmanual.com/datsun/Z-1969-1978/body-240z/door-panel-glass-hinge https://resurrectedclassics.com/pages/manufacturing Manufacturing Our manufacturing process begins with selecting the best samples of the pieces we want to produce. Usually this is a NOS panel, meaning "New Old Stock" that is an original piece produced by Datsun/Nissan. This panel is then scanned and turned into a three-dimensional model where it is used to make a die. The die is then used in conjunction with a machine to press into sheet metal to make the desired panel. After this is complete a prototype is made, we test each prototype against the original Nissan part and check for any inconsistencies and make notes. Lastly, if there were any issues with the prototype panel a second panel is made and checked again against the original Nissan part. The last step of this process after the prototype panel is confirmed is mass production. As you can imagine this is not an easy process, finding panels suitable to be used for reproduction is difficult and time consuming but we believe the end result is worth it. By using the best available panels as templates and our lengthy testing process, we are able to bring the most accurate panels produced to Datsun enthusiasts. We are continually adding new parts to our inventory every day with more parts lined up afterwards and still more being sourced.

Howdy @Mike Just curious. Why the change? " Hey all, wanted to let everyone know that we will be moving to an email-only based login around mid-December. Please make sure you start using this method to log in now (it's enabled already). We will be moving away from 'username' based log-ins. For instance: My username is "Mike" on the website. I can log in using my username or I can use my assigned email address in the system right now. In December, I will ONLY be able to log in using my email address. You can check your current email address in your "account settings" (next to your name in the upper right). Email addresses are NOT published to the public. Thank you! Mike"

Another COVID years auction car coming up for resale on BaT. It got good money for a ZX. $51,500 then, and up now with no reserve from the same person that bought it. https://bringatrailer.com/listing/1982-datsun-280zx-61/ https://bringatrailer.com/listing/1982-datsun-280zx-21/

The three way T should go to the ported vacuum on the TB, the charcoal canister, and the distributor vacuum advance mechanism. Here's a good place to browse pictures. https://bringatrailer.com/search/?s=1976+280z https://bringatrailer.com/listing/1976-datsun-280z-88/

That nipple shouldn't have a vacuum source connected to it, it should be open to the air. It's a common mistake. Don't know why Nissan designed it that way. A common problem with the pre-77 throttle bodies is that the blade gets gummed up and sticks open. You might check that. Next time it hangs at 2000 pull up on the throttle pedal with your toe or open the hood and press the linkage closed. Another possibility is that the return spring rusted and broke. It's hidden away, low and behind the TB. Can't remember if you already addressed that possibility. Finally, the other "hanging high" problem is caused by the BCDD. Here's a drawing of the dashpot with no hose connected.

https://www.hagerty.com/media/motorsports/porsche-917-022-from-steve-mcqueen-to-jerry-seinfeld/

Here's a Mecum 1981 280ZX 2+2. They didn't get the 2+2 part right. Watchng on some cable channel. $21,000.